Hai, I am having Garmin72 and Garmin ETrex. these two instruments possess 9 pin connector as there is only one comp port that to utilized for visual display. I tried to usb through converter but I received no upload from instruments. I need whether any software to be installed ?

asked 08 Nov '10, 23:14

sivakumar's gravatar image

sivakumar
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Both the 72 and ETrex uses a 4 pin connector that connects to a serial com port. The serial com ports are 9 pin and are never used for display. That probably is your 15 pin VGA port (those two are often mistaken for each other).

Even if you connect the gps through a usb-serial converter you would need a program to comunicate with the GPS. You can use Garmin MapSource or GpsBabel.

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answered 09 Nov '10, 07:00

Gnonthgol's gravatar image

Gnonthgol ♦
13.6k15101198
accept rate: 16%

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First of all, I'm assuming that you have the right hardware: an eTrex-to-serial lead, and then a serial-to-USB converter.

You will then need both a driver for the serial-to-USB converter, and software to download the GPS track. For the driver, you'll find that most such converters are based on the Prolific PL-2303 chipset. Drivers for this are available from prolific.com.tw and indeed from many other sites around the Internet. (Some Linux distributions may come with a built-in driver.)

To download the GPS track, the most commonly used software is GPSBabel. Ready-made downloads are available for Windows, Mac OS X and Linux. Be sure to save in GPX format, which is what openstreetmap.org requires.

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answered 09 Nov '10, 16:49

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Richard ♦
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accept rate: 19%

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question asked: 08 Nov '10, 23:14

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last updated: 09 Nov '10, 16:49

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